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in subjects: "plows"  
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Plow.

Description: Patent for a new and improved plow. This design consists in "[t]he combination, with a plow-beam, of two side-bars, the rear portion of each of which is folded back upon itself, forming a standard, a shorter standard, a handle the front end of which and the end of the double portion are secured to the said bar by means of a single bolt, and the downturned end of one-half of the adjusting device and a brace for said handle being secured by a single bolt at another place" (lines 8-17).
Date: February 2, 1886
Creator: Putman, John Howard
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sulky Plow.

Description: Patent for a new and improved sulky plow. This design "obviate[s] certain minor defects of the sulky-carriage for plows" (lines 15-17). More specifically, it "provide[s] simple and effective means for properly balancing the plow-carriage or frame and taking the weight off the horses' necks, provision being also made for using plows with or without guide-handles and of varying heights" (lines 39-44).
Date: May 2, 1882
Creator: Ward, James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hillside-Plow

Description: Patent for improvements in the construction and design of hillside-plows.
Date: April 2, 1889
Creator: Bunnell, Marcellus Jackson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Grass Destroyer

Description: Patent for mechanical grass destroying equipment. This machine produces the results of harrowers, diggers and plows to destroy unwanted plants such as Bermuda and Jackson grass by "sifting the earth off their roots and dropping it back on the ground, and collecting the tops and the roots." (lines 15-17).
Date: March 2, 1920
Creator: Coker, Alvin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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